Will it affect the price?
Yes without a doubt it will affect the price regardless of the outcome.
What will happen afterward is where the real question lies.
In the end everything will get back to normal, no one is dumb enough to let Bitcoin suffer a fatal blow that would hurt them
Particularly right since im sure that people who get more benifits on bitcoins will surely doesn't want that bitcoins would go down on the level that businessman would think that its not worth to stake anymore with this coin and im sure that all whales will surely do their very best to lift this up since they want to earn or gain for the uprising on it. And all of our speculation will be answer when august occur so lets wait for that moment happen to see what would be the result after that date done.